TcmFumigantsAndSolventsQualityChecker
Tcm Fumigants And Solvents
ℹ️ Utility checks residual amounts of fumigants and solvents according to ChP 2020 and ICH Q3C:
• Ethylene oxide (≤1.0 ppm)
• Methyl bromide (≤5.0 ppm)
• Phosphine (≤0.5 ppm)
• Sulfur dioxide (≤150.0 ppm)
• Benzene (Class 1, ≤2.0 ppm)
• Methanol (Class 2, ≤3000.0 ppm)
• Acetone (Class 3, ≤5000.0 ppm)
• Total volatile organic compounds (≤1000.0 ppm)
⚠️ CRITICAL: Benzene (Class 1) must be minimized due to carcinogenicity!
Ethylene oxide and phosphine are highly toxic fumigants, strict control is mandatory.
Usage:
TcmFumigantsAndSolventsQualityChecker.exe → demo mode (console output)
TcmFumigantsAndSolventsQualityChecker.exe input.csv output.json → evaluate your data
Input format:
BatchNumber,HerbName,EthyleneOxide_ppm,MethylBromide_ppm,Phosphine_ppm,SulfurDioxide_ppm,Methanol_ppm,Acetone_ppm,Benzene_ppm,TotalVOCs_ppm
Example:
TCM-GINSENG-2026-FUM-001,Panax_ginseng,0.5,1.0,0.0,15.0,50.0,100.0,0.0,250.0
Supported raw materials:
• Panax_ginseng — genuine ginseng
• Astragalus_membranaceus — membranous astragalus
• Angelica_sinensis — Chinese angelica (danggui)
• Glycyrrhiza_uralensis — Ural licorice
• Salvia_miltiorrhiza — miltiorrhiza sage (danshen)
— WHY IS THIS NEEDED?
Control of residual fumigants and solvents is critically important for TCM safety:
• Fumigants are used to protect raw materials from insects and microorganisms during storage
• Solvents may remain after extraction or purification of active components
• Many fumigants and solvents are toxic, carcinogenic or have other side effects
• Compliance with ChP 2020, ICH Q3C and WHO requirements is mandatory for international market
⚠️ CRITICAL:
• Ethylene oxide ≤1.0 ppm — highly toxic carcinogen, used for sterilization
• Methyl bromide ≤5.0 ppm — toxic to nervous system, ozone-depleting substance
• Phosphine ≤0.5 ppm — highly toxic gas, used for grain fumigation
• Sulfur dioxide ≤150.0 ppm — can cause allergic reactions, especially in asthmatics
• Benzene ≤2.0 ppm (Class 1) — known carcinogen, must be completely excluded
• Methanol ≤3000.0 ppm (Class 2) — toxic to vision and nervous system
• Acetone ≤5000.0 ppm (Class 3) — low toxicity, but requires control
• Total VOCs ≤1000.0 ppm — indicator of overall raw material purity
Key features:
• Check of main fumigants used in TCM storage
• Control of residual solvents by ICH Q3C toxicity classes
• Assessment of total volatile organic compounds as quality indicator
• Support for various types of TCM medicinal plant raw materials
• Compliance with ChP 2020, ICH Q3C and WHO guidelines
Critical parameters:
• Ethylene oxide: ≤1.0 ppm
• Methyl bromide: ≤5.0 ppm
• Phosphine: ≤0.5 ppm
• Sulfur dioxide: ≤150.0 ppm
• Benzene: ≤2.0 ppm
• Methanol: ≤3000.0 ppm
• Acetone: ≤5000.0 ppm
• Total VOCs: ≤1000.0 ppm
💡 Usage tips:
1. Analysis is performed by gas chromatography with flame ionization detector (GC-FID) or mass spectrometry (GC-MS)
2. Special sample preparation methods are required for ethylene oxide and phosphine due to their high volatility
3. Sulfur dioxide is often determined by distillation method followed by titration
4. Limits for solvents may vary depending on daily dose of the preparation
5. If limits are exceeded, additional raw material purification or batch rejection is required
⚠️ Note: Residual fumigants and solvents are HIDDEN DANGERS in TCM. They are not visible visually, but can seriously affect patient safety. Fumigants are especially dangerous as they are often used illegally or in excessive amounts in some production regions. Strict control of these parameters is MANDATORY condition for ensuring TCM safety.
input.csv
BatchNumber,HerbName,EthyleneOxide_ppm,MethylBromide_ppm,Phosphine_ppm,SulfurDioxide_ppm,Methanol_ppm,Acetone_ppm,Benzene_ppm,TotalVOCs_ppm TCM-GINSENG-2026-FUM-001,Panax_ginseng,0.5,1.0,0.0,15.0,50.0,100.0,0.0,250.0 TCM-ASTRAGALUS-2026-FUM-002,Astragalus_membranaceus,0.8,2.5,0.1,45.0,120.0,200.0,0.5,400.0 TCM-DANGGUI-2026-FUM-003,Angelica_sinensis,1.2,6.0,0.6,180.0,3500.0,5500.0,2.5,1200.0
TcmFumigantsAndSolventsQualityChecker — URS & FS
TCM Fumigants and Solvents Quality Checker
TCM Fumigants and Solvents Quality Checker
1. Назначение документа
Документ описывает пользовательские требования (URS) и функциональную спецификацию (FS) для утилиты TcmFumigantsAndSolventsQualityChecker. Утилита предназначена для детерминированной проверки данных input.csv, формирования структурированного результата output.json и поддержки прослеживаемого QA/QC review.
Документ является проектной URS/FS-основой для CSV/CSA, IQ/OQ/PQ и дальнейшей валидации в контексте конкретной лабораторной процедуры.
2. Исходное описание утилиты
3. URS — пользовательские требования
3.1 Цель и область применения
Система должна принимать табличные результаты лабораторного контроля, выполнять проверку по заранее заданным критериям и возвращать понятный статус по каждой серии/записи: Pass, Review или Fail.
3.2 Нормативная / методическая база
В исходном описании и правилах утилиты используются следующие ориентиры: ChP 2020, ChP, EP, WHO, ICH, EMA. Финальные лимиты должны быть подтверждены утверждённой спецификацией, монографией, SOP или протоколом трансфера метода.
3.3 Ключевые QC-проверки
- Оксид этилена (≤1.0 ppm)
- Бромистый метил (≤5.0 ppm)
- Фосфин (≤0.5 ppm)
- Диоксид серы (≤150.0 ppm)
- Бензол (Class 1, ≤2.0 ppm)
- Метанол (Class 2, ≤3000.0 ppm)
- Ацетон (Class 3, ≤5000.0 ppm)
- Общие летучие органические соединения (≤1000.0 ppm)
3.4 Пользователи
- QC analyst — подготовка и загрузка
input.csv. - QA/QC reviewer — проверка результата и отклонений.
- CSV/validation specialist — подтверждение пригодности утилиты.
- System owner — управление версией, доступом и изменениями.
3.5 Требования к данным и Data Integrity
- каждая строка CSV должна быть прослеживаемой к серии, образцу или измерению;
- исходные значения не должны изменяться утилитой;
- расчёты должны быть воспроизводимыми при повторном запуске;
- любое отклонение должно сохраняться как структурированное finding с указанием поля и правила;
- ручное изменение итогового статуса вне QA-процесса не допускается.
4. FS — функциональная спецификация
4.1 Поток обработки
- Проверить наличие и кодировку
input.csv. - Проверить заголовки, обязательные поля и типы данных.
- Нормализовать числовые и булевы значения без изменения исходного следа.
- Выбрать набор правил по категории продукта/типа, если он предусмотрен.
- Сравнить значения с лимитами и вычислить derived metrics.
- Сформировать запись результата по каждой строке.
- Сохранить
output.jsonс общей сводкой, findings и traceability.
4.2 CSV-схема
| № | Поле CSV | Тип | Обяз. | Назначение |
|---|---|---|---|---|
| 1 | BatchNumber | string | Да | Идентификатор серии / лота для прослеживаемости. |
| 2 | HerbName | string | Да | Идентичность продукта, препарата или образца. |
| 3 | EthyleneOxide_ppm | decimal | Да | Измеренный аналитический результат для сравнения с критерием приемлемости. |
| 4 | MethylBromide_ppm | decimal | Да | Измеренный аналитический результат для сравнения с критерием приемлемости. |
| 5 | Phosphine_ppm | decimal | Да | Показатель pH для контроля качества и совместимости матрицы. |
| 6 | SulfurDioxide_ppm | decimal | Да | Измеренный аналитический результат для сравнения с критерием приемлемости. |
| 7 | Methanol_ppm | decimal | Да | Измеренный аналитический результат для сравнения с критерием приемлемости. |
| 8 | Acetone_ppm | decimal | Да | Измеренный аналитический результат для сравнения с критерием приемлемости. |
| 9 | Benzene_ppm | decimal | Да | Измеренный аналитический результат для сравнения с критерием приемлемости. |
| 10 | TotalVOCs_ppm | decimal | Да | Измеренный аналитический результат для сравнения с критерием приемлемости. |
4.3 Пример входных данных
| BatchNumber | HerbName | EthyleneOxide_ppm | MethylBromide_ppm | Phosphine_ppm | SulfurDioxide_ppm | Methanol_ppm | Acetone_ppm | Benzene_ppm | TotalVOCs_ppm |
|---|---|---|---|---|---|---|---|---|---|
| TCM-GINSENG-2026-FUM-001 | Panax_ginseng | 0.5 | 1.0 | 0.0 | 15.0 | 50.0 | 100.0 | 0.0 | 250.0 |
| TCM-ASTRAGALUS-2026-FUM-002 | Astragalus_membranaceus | 0.8 | 2.5 | 0.1 | 45.0 | 120.0 | 200.0 | 0.5 | 400.0 |
| TCM-DANGGUI-2026-FUM-003 | Angelica_sinensis | 1.2 | 6.0 | 0.6 | 180.0 | 3500.0 | 5500.0 | 2.5 | 1200.0 |
4.4 Выходной JSON
{
"utility": "TcmFumigantsAndSolventsQualityChecker",
"runId": "urn:fuzkk:run:example",
"sourceFile": "input.csv",
"recordsProcessed": 3,
"overallStatus": "Pass / Review / Fail",
"records": [
{
"recordId": "TCM-GINSENG-2026-FUM-001",
"status": "Pass / Review / Fail",
"criticalFindings": [],
"warnings": [],
"evaluatedRules": [
"Configured acceptance criteria from the utility rule set"
],
"inputTrace": {
"BatchNumber": "TCM-GINSENG-2026-FUM-001",
"HerbName": "Panax_ginseng",
"EthyleneOxide_ppm": "0.5",
"MethylBromide_ppm": "1.0",
"Phosphine_ppm": "0.0",
"SulfurDioxide_ppm": "15.0",
"Methanol_ppm": "50.0",
"Acetone_ppm": "100.0"
}
}
],
"dataIntegrity": {
"deterministicEvaluation": true,
"sourceRowTraceability": true,
"manualOverrideAllowed": false
}
}
5. Трассировка URS → FS → тесты
| URS | FS-механизм | Проверка |
|---|---|---|
| Загрузка корректного input.csv | CSV parser + schema validator | OQ: валидный/невалидный CSV |
| Детерминированная оценка лимитов | Rule engine с фиксированной конфигурацией | OQ: граничные значения и known expected results |
| Статусы Pass/Review/Fail | Status aggregator по findings | OQ/PQ: образцы с проходными и провальными сериями |
| Прослеживаемость к исходной строке | inputTrace + recordId | PQ: сверка output.json с исходным CSV |
| Поддержка QA review | структурированные findings и warnings | PQ: review сценарии и deviation handling |
6. CSV/CSA и валидационный подход
IQ
- проверка версии утилиты;
- проверка расположения исполняемого файла;
- проверка шаблона CSV;
- контроль прав доступа.
OQ
- проверка обязательных полей;
- проверка типов данных;
- проверка граничных значений;
- проверка zero-tolerance правил.
PQ
- прогоны на реальных/репрезентативных данных;
- сверка с ручным расчётом;
- подтверждение QA review workflow.
Change control
- версионирование лимитов;
- impact assessment при изменении правил;
- регрессия после обновления.
1. Document purpose
This document defines user requirements (URS) and functional specification (FS) for TcmFumigantsAndSolventsQualityChecker. The utility is intended to evaluate input.csv data deterministically, generate structured output.json output and support traceable QA/QC review.
This document is a project-level URS/FS baseline for CSV/CSA, IQ/OQ/PQ and further validation under an approved laboratory procedure.
2. Source utility description
3. URS — user requirements
3.1 Intended use and scope
The system shall accept tabular laboratory QC results, evaluate them against configured acceptance criteria and return a clear status for each batch or record: Pass, Review or Fail.
3.2 Regulatory / methodological basis
The source description and utility rules refer to the following framework: ChP 2020, ChP, EP, WHO, ICH, EMA. Final acceptance limits shall be confirmed by the approved specification, pharmacopoeial monograph, SOP or method-transfer protocol.
3.3 Key QC checks
- Ethylene oxide (≤1.0 ppm)
- Methyl bromide (≤5.0 ppm)
- Phosphine (≤0.5 ppm)
- Sulfur dioxide (≤150.0 ppm)
- Benzene (Class 1, ≤2.0 ppm)
- Methanol (Class 2, ≤3000.0 ppm)
- Acetone (Class 3, ≤5000.0 ppm)
- Total volatile organic compounds (≤1000.0 ppm)
3.4 Users
- QC analyst — prepares and loads
input.csv. - QA/QC reviewer — reviews output, findings and deviations.
- CSV/validation specialist — confirms fitness for intended use.
- System owner — controls versioning, access and change management.
3.5 Data and data-integrity requirements
- each CSV row shall be traceable to a batch, sample or analytical measurement;
- source values shall not be modified by the utility;
- calculations shall be reproducible on repeated execution;
- each deviation shall be captured as a structured finding with field and rule references;
- manual override of the final status outside QA process is not allowed.
4. FS — functional specification
4.1 Processing flow
- Verify presence and encoding of
input.csv. - Validate headers, mandatory fields and data types.
- Normalize numeric and boolean values while preserving the source trace.
- Select an adaptive rule set by product/category type, where applicable.
- Compare values with limits and compute derived metrics.
- Create a result record for each input row.
- Write
output.jsonwith summary, findings and traceability.
4.2 CSV schema
| # | CSV field | Type | Req. | Purpose |
|---|---|---|---|---|
| 1 | BatchNumber | string | Yes | Batch / lot identifier used for traceability. |
| 2 | HerbName | string | Yes | Product, preparation or sample identity. |
| 3 | EthyleneOxide_ppm | decimal | Yes | Measured analytical result compared with the configured acceptance criterion. |
| 4 | MethylBromide_ppm | decimal | Yes | Measured analytical result compared with the configured acceptance criterion. |
| 5 | Phosphine_ppm | decimal | Yes | pH-related measurement used for quality and matrix compatibility control. |
| 6 | SulfurDioxide_ppm | decimal | Yes | Measured analytical result compared with the configured acceptance criterion. |
| 7 | Methanol_ppm | decimal | Yes | Measured analytical result compared with the configured acceptance criterion. |
| 8 | Acetone_ppm | decimal | Yes | Measured analytical result compared with the configured acceptance criterion. |
| 9 | Benzene_ppm | decimal | Yes | Measured analytical result compared with the configured acceptance criterion. |
| 10 | TotalVOCs_ppm | decimal | Yes | Measured analytical result compared with the configured acceptance criterion. |
4.3 Input data example
| BatchNumber | HerbName | EthyleneOxide_ppm | MethylBromide_ppm | Phosphine_ppm | SulfurDioxide_ppm | Methanol_ppm | Acetone_ppm | Benzene_ppm | TotalVOCs_ppm |
|---|---|---|---|---|---|---|---|---|---|
| TCM-GINSENG-2026-FUM-001 | Panax_ginseng | 0.5 | 1.0 | 0.0 | 15.0 | 50.0 | 100.0 | 0.0 | 250.0 |
| TCM-ASTRAGALUS-2026-FUM-002 | Astragalus_membranaceus | 0.8 | 2.5 | 0.1 | 45.0 | 120.0 | 200.0 | 0.5 | 400.0 |
| TCM-DANGGUI-2026-FUM-003 | Angelica_sinensis | 1.2 | 6.0 | 0.6 | 180.0 | 3500.0 | 5500.0 | 2.5 | 1200.0 |
4.4 Output JSON
{
"utility": "TcmFumigantsAndSolventsQualityChecker",
"runId": "urn:fuzkk:run:example",
"sourceFile": "input.csv",
"recordsProcessed": 3,
"overallStatus": "Pass / Review / Fail",
"records": [
{
"recordId": "TCM-GINSENG-2026-FUM-001",
"status": "Pass / Review / Fail",
"criticalFindings": [],
"warnings": [],
"evaluatedRules": [
"Configured acceptance criteria from the utility rule set"
],
"inputTrace": {
"BatchNumber": "TCM-GINSENG-2026-FUM-001",
"HerbName": "Panax_ginseng",
"EthyleneOxide_ppm": "0.5",
"MethylBromide_ppm": "1.0",
"Phosphine_ppm": "0.0",
"SulfurDioxide_ppm": "15.0",
"Methanol_ppm": "50.0",
"Acetone_ppm": "100.0"
}
}
],
"dataIntegrity": {
"deterministicEvaluation": true,
"sourceRowTraceability": true,
"manualOverrideAllowed": false
}
}
5. Traceability URS → FS → tests
| URS | FS mechanism | Test evidence |
|---|---|---|
| Load valid input.csv | CSV parser + schema validator | OQ: valid/invalid CSV cases |
| Deterministic limit evaluation | Rule engine with fixed configuration | OQ: boundary values and known expected results |
| Pass/Review/Fail statuses | Status aggregator based on findings | OQ/PQ: passing and failing representative batches |
| Traceability to source row | inputTrace + recordId | PQ: output.json reconciliation to source CSV |
| QA review support | structured findings and warnings | PQ: review and deviation-handling scenarios |
6. CSV/CSA and validation approach
IQ
- utility version check;
- executable location check;
- CSV template check;
- access-right verification.
OQ
- mandatory field checks;
- data type checks;
- boundary-value checks;
- zero-tolerance rule checks.
PQ
- runs on real or representative data;
- comparison with manual calculation;
- confirmation of QA review workflow.
Change control
- rule and limit versioning;
- impact assessment for rule changes;
- regression after updates.
Included in packages
Traditional Chinese Medicine (TCM) QC Suite
QC utility package for TCM: botanical identity, fingerprint consistency, marker compounds, decoction pieces, Paozhi processing, pesticides, mycotoxins, heavy metals, sulfur fumigation, microbial limits and adulteration screening.
Open